Program.cs

using Photino.NET;
using System.Drawing;
using System.Text;
using EMI;
using EMI.Assets;
using EMI.Frontend;
using SharpCompress.Compressors.ZStandard.Unsafe;
using System.Runtime.CompilerServices;

namespace EMI.UI
{
    //NOTE: To hide the console window, go to the project properties and change the Output Type to Windows Application.
    // Or edit the .csproj file and change the <OutputType> tag from "WinExe" to "Exe".
    internal class Program
    {
        private static readonly CancellationTokenSource _cts = new();

        [STAThread]
        static void Main(string[] args)
        {
            // Window title declared here for visibility
            string windowTitle = "Eisbears Modpack Installer 1";

            // Creating a new PhotinoWindow instance with the fluent API
            var window = new PhotinoWindow()
                .SetTitle(windowTitle)
                // Resize to a percentage of the main monitor work area
                .SetUseOsDefaultSize(false)
                .SetSize(new Size(1024, 800))
                // Center window in the middle of the screen
                .Center()
                // Users can resize windows by default.
                // Let's make this one fixed instead.
                .SetResizable(false)
                .RegisterWebMessageReceivedHandler((object? sender, string message) =>
                {
                    if (sender == null) return;
                    if (message == "ui-ready")
                    {
                        var win = (PhotinoWindow)sender!;
                        Frontend.LoadFrontend.LoadAll(win);
                    }
                    if (message == "continue")
                    { 
                        _ = ModpackInstaller.DownloadModpack((PhotinoWindow)sender!, _cts.Token);
                    }
                    if (message == "cancel" || message == "close")
                    {
                        _cts.Cancel();
                    }
                    if (message == "close")
                    {
                        Environment.Exit(0);
                    }
                })
                //.RegisterCustomSchemeHandler("app", (object sender, string scheme, string url, out string contentType) =>
                //{
                //    contentType = "text/javascript";
                //    return new MemoryStream(Encoding.UTF8.GetBytes(@"
                //        (() =>{
                //            window.setTimeout(() => {
                //                alert(`🎉 Dynamically inserted JavaScript.`);
                //            }, 1000);
                //        })();
                //    "));
                //})
                //// Most event handlers can be registered after the
                //// PhotinoWindow was instantiated by calling a registration 
                //// method like the following RegisterWebMessageReceivedHandler.
                //// This could be added in the PhotinoWindowOptions if preferred.
                //.RegisterWebMessageReceivedHandler((object sender, string message) =>
                //{
                //    var window = (PhotinoWindow)sender;

                //    // The message argument is coming in from sendMessage.
                //    // "window.external.sendMessage(message: string)"
                //    string response = $"Received message: \"{message}\"";

                //    // Send a message back the to JavaScript event handler.
                //    // "window.external.receiveMessage(callback: Function)"
                //    window.SendWebMessage(response);
                //})
                .Load("wwwroot/aigen.html"); // Can be used with relative path strings or "new URI()" instance to load a website.
            
            // Code here:
            window.WaitForClose(); // Starts the application event loop
        }
    }
}